The horns and hooves of bulls and horses symbolize strength, just like iron and bronze. People may have used metal shoes on animals that helped with farming. God will give strength to his people to defeat their enemies.
their gain: Many nations gathered wealth unfairly through war, plunder, heavy taxes, forced labor, and conscription. The Lord of all the earth originally owned all this wealth (Exodus 19:5).
you will devote: The Hebrew term (kharam, meaning “dedicate”) refers to war spoils set aside as holy to the Lord (see Leviticus 27:28–29).